Problemset - Codeforces

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Codeforces Round (Div. 2)
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Problems

#	Name
420D	Cup Trick data structures	2200	x830
420C	Bug in Code data structures, graphs, implementation, two pointers	1900	x1259
420B	Online Meeting implementation	1800	x1042
420A	Start Up implementation	1000	x6111
418E	Tricky Password data structures	3100	x313
418D	Big Problems for Organizers data structures, graphs, trees	2800	x480
417E	Square Table constructive algorithms, math, probabilities	2400	x824
417D	Cunning Gena bitmasks, dp, greedy, sortings	1900	x2474
417C	Football constructive algorithms, graphs, implementation	1400	x4662
417B	Crash implementation	1400	x1776
417A	Elimination dp, implementation, math	1500	x2986
416E	President's Path dp, graphs, shortest paths	2500	x1455
416D	Population Size greedy, implementation, math	2400	x950
416C	Booking System binary search, dp, greedy, implementation	1600	x7935
416B	Art Union brute force, dp, implementation	1300	x8690
416A	Guess a number! greedy, implementation, two pointers	1400	x8906
415B	Mashmokh and Tokens binary search, greedy, implementation, math	1500	x6275
415A	Mashmokh and Lights implementation	900	x8975
414E	Mashmokh's Designed Problem data structures	3200	x200
414D	Mashmokh and Water Tanks binary search, data structures, greedy, trees, two pointers	2300	x683
414C	Mashmokh and Reverse Operation combinatorics, divide and conquer	2100	x2216
414B	Mashmokh and ACM combinatorics, dp, number theory	1400	x22218
414A	Mashmokh and Numbers constructive algorithms, number theory	1500	x9792
413E	Maze 2D data structures, divide and conquer	2200	x720
413D	2048 bitmasks, dp	2000	x813
413C	Jeopardy! greedy, math	1400	x2376
413B	Spyke Chatting implementation	1300	x1703
413A	Data Recovery implementation	1200	x2627
412E	E-mail Addresses implementation	1900	x840
412D	Giving Awards dfs and similar	2000	x1882
412C	Pattern implementation, strings	1200	x3922
412B	Network Configuration greedy, sortings	900	x5403
412A	Poster greedy, implementation	900	x4443
411C	Kicker implementation	1700	x1227
411B	Multi-core Processor implementation	1600	x1277
411A	Password Check *special problem, implementation	800	x7223
409I	Feed the Golorp *special problem	2400	x126
409H	A + B Strikes Back *special problem, brute force, constructive algorithms, dsu, implementation	1500	x8887
409G	On a plane *special problem, geometry	2200	x520
409F	000001 *special problem	1900	x2091
409E	Dome *special problem	1800	x577
409D	Big Data *special problem	1700	x1713
409C	Magnum Opus *special problem	1700	x1978
409B	Mysterious Language *special problem	1700	x1357
409A	The Great Game *special problem	1700	x2467
408B	Garland implementation	1200	x9260
408A	Line to Cashier implementation	900	x11232
407E	k-d-sequence data structures	3100	x758
407D	Largest Submatrix 3 dp, hashing	2700	x639
407C	Curious Array brute force, combinatorics, implementation, math	2500	x988
407B	Long Path dp, implementation	1600	x6517
407A	Triangle brute force, geometry, implementation, math	1600	x4876
406E	Hamming Triples implementation, math, two pointers	2800	x234
406D	Hill Climbing dfs and similar, geometry, trees	2200	x1169
405E	Graph Cutting dfs and similar, graphs	2300	x1393
405D	Toy Sum greedy, implementation, math	1700	x3117
405C	Unusual Product implementation, math	1600	x4625
405B	Domino Effect	1100	x5770
405A	Gravity Flip greedy, implementation, sortings	900	x100697
404E	Maze 1D binary search, greedy, implementation	2200	x577
404D	Minesweeper 1D dp, implementation	1900	x2149
404C	Restore Graph dfs and similar, graphs, sortings	1800	x5205
404B	Marathon implementation, math	1500	x2924
404A	Valera and X implementation	1000	x23889
403E	Two Rooted Trees data structures, implementation, trees	2900	x212
403D	Beautiful Pairs of Numbers combinatorics, dp	2300	x1098
402E	Strictly Positive Matrix graphs, math	2200	x2180
402D	Upgrading Array dp, greedy, math, number theory	1800	x2608
402C	Searching for Graph brute force, constructive algorithms, graphs	1500	x5866
402B	Trees in a Row brute force, implementation	1400	x3805
402A	Nuts greedy, math	1100	x4593
401E	Olympic Games math	2500	x168
401D	Roman and Numbers bitmasks, brute force, combinatorics, dp, number theory	2000	x4153
401C	Team constructive algorithms, greedy, implementation	1400	x19953
401B	Sereja and Contests greedy, implementation, math	1200	x4432
401A	Vanya and Cards implementation, math	800	x16167
400E	Inna and Binary Logic binary search, bitmasks, data structures	2100	x948
400D	Dima and Bacteria dsu, graphs, shortest paths	2000	x2898
400C	Inna and Huge Candy Matrix implementation, math	1500	x2890
400B	Inna and New Matrix of Candies brute force, implementation, schedules	1200	x7707
400A	Inna and Choose Options implementation	1000	x6468
399B	Red and Blue Balls		x1841
399A	Pages implementation		x4156
398E	Sorting Permutations		x91
398D	Instant Messanger data structures		x898
398C	Tree and Array constructive algorithms		x214
398B	Painting The Wall dp, probabilities		x1027
398A	Cards constructive algorithms, implementation		x926
397B	On Corruption and Numbers constructive algorithms, implementation, math		x753
397A	On Segment's Own Points implementation		x2627
396E	On Iteration of One Well-Known Function math		x152
396D	On Sum of Number of Inversions in Permutations combinatorics, math		x434
396C	On Changing Tree data structures, graphs, trees		x1585
396B	On Sum of Fractions math, number theory		x1078
396A	On Number of Decompositions into Multipliers combinatorics, math, number theory		x1505
394E	Lightbulb for Minister geometry		x117
394D	Physical Education and Buns brute force, implementation, math		x271
394C	Dominoes constructive algorithms, greedy		x519
394B	Very Beautiful Number math		x575
394A	Counting Sticks brute force, implementation		x2662